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Regex Find and Replace

Use regular expressions with capture groups to reformat text in bulk.

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πŸ’‘ In regex mode, use capture groups in Find like (\d{4})-(\d{2}) and reference them in Replace with $1, $2 β€” great for reformatting dates, names, or IDs in bulk.

Regex tips

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Capture parts of a match with parentheses and reuse them in the replacement as $1, $2, …

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Example: find (\d{4})-(\d{2})-(\d{2}) and replace with $3/$2/$1 to flip date formats.

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Invalid patterns are caught instantly so you never run a broken expression.

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βœ“Dim dyfrnodau ar unrhyw allbwn

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